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DW45 Air Circuit Breaker
  • DW45 Air Circuit BreakerDW45 Air Circuit Breaker

DW45 Air Circuit Breaker

DW45 Air Circuit Breaker is suitable for the circuit of AC 50Hz/60Hz with rated service voltage 400V, 690V and rated service current up to 6300A.It is mainly used to distribute electric energy and protect circuits and electric equipment against over-load, under-voltage, short-circuit and single-phase earthing fault.

Model: DW45

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Product Description

DW45 series air circuit breaker is suitable for the circuit of AC 50Hz/60Hz with rated service voltage 400V, 690V and rated service current up to6300A.It is mainly used to distribute electric energy and protect circuits and electric equipment against over-load, under-voltage, short-circuit and single-phase earthing fault.


DW45 Air Circuit Breaker Details


DW45 Air Circuit Breaker (ACB) - KW1-3200/4P

DW45 Air Circuit Breaker (ACB) - KW1-3200/4P is suitable for the circuit of AC 50Hz with rated voltage up to 690V and rated current up to 5000A. DW45 Air Circuit Breaker (ACB) - KW1-3200/4P is mainly used to distribute electric energy and protect circuit and power supply equipment from- overload, under voltage, short circuit and single phase earthing with intelligentized and selective protection function, DW45 Air Circuit Breaker (ACB) KW1-3200/4P.

Can improve the reliability of power supply and avoid unnecessary power failure. DW45 Air Circuit Breaker (ACB) KW1-3200/4P is applicable for power stations, factories, mines (for 690V) and modern high-buildings, especially for the distribution system of intelligentized building.


Application

. Rated operational voltage of the breaker is AC400/415/690V, with the rated current ranges from 630A to 5000A

. Compact design with fixed and withdrawerable type

. Standar: IEC/EC 60947-2 /GB14048.2

. Poles of number: 3/4

. Breaking capacity under 415V


Model

KW1-2000 630A, 800A, 1000A, 1250A, 1600A, 2000A

KW1-3200 2000A, 2500A, 2900A, 3200A

KW1-4000 3600A, 4000A

KW1-5000 4000A, 5000A


model

KW1-2000

KW1-3200

KW1-4000

KW1-5000

Frame size rated current In(A)

2000

3200

4000

5000

Rated current In(A)

630 800 1000 1250 1600 2000

2000 2500 2900

3600 4000

4000 5000

Rated voltage Ue(V)

AC 400 ,690 50HZ

Rated insulating voltage Ui(V)

AC 800 50HZ

Poles of number

3,4

Rated current at N-pole In(A)

50%In, 100%In

Icu(kA)
effective value

AC 400V

80

100

100

120

AC 690V

50

65

65

85

Ics(kA)
effective value

AC 400V

50

65

80

100

AC 690V

40

50

65

75

Icw(kA)

AC 400V

50

65

80

85

AC690V

Icm(kA)

AC 400V

176

220

220

264

AC690V

105

143

165

165

Inherent making & breaking time

25-30ms

Operating performances
(operations)

Electric life (under AC415V)

AC400V

500(1000)

500(1000)

500(1000)

500(1000)

AC690V

500(1000)

500(1000)

500(1000)

500(1000)

Mechanical life

Maintainable-free

2500

2500

2500

2500

Maintainable

10000

10000

10000

10000

Mounting mode

Fixed. Withdrawable

Fixed. Withdrawable

Fixed. Withdrawable

Fixed. Withdrawable




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